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1. 发明专利

JP2013076869A Charging device, and image forming apparatus 审中-公开
标题翻译：充电装置和图像形成装置
公开(公告)号：JP2013076869A
公开(公告)日：2013-04-25
申请号：JP2011217006
申请日：2011-09-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TOMOHIKO , SATO TOSHIYA
IPC分类号： G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide a charging device including a cleaning member that realizes excellent quality for cleaning a discharge wire irrespective of the cleaning member being newly installed or being used over time, has excellent capability for cleaning wire, and has excellent durability.SOLUTION: When a cleaning unit 225 is moved by a feed screw mechanism, and an arm part 220b is pressed by an inner face of a side plate 201b of a shield case, the cleaning unit 225 rotates to cause a right cleaning member 222a and a left cleaning member 222b that are fixed to the cleaning unit 225 to be in pressure-contact with a discharge wire 202. The portion of each of the cleaning members that contacts the discharge wire is formed by a glass fiber-reinforced plastic.
摘要翻译：要解决的问题：提供一种包括清洁部件的充电装置，其具有实现用于清洁放电线的优良品质，而不管新安装或随时间使用的清洁部件如何，具有优异的清洁电线的能力，并且具有优异的耐久性解决方案：当清洁单元225被进给螺杆机构移动，并且臂部分220b被屏蔽壳体的侧板201b的内表面按压时，清洁单元225旋转以使右侧清洁构件 222a和左清洁构件222b固定到清洁单元225以与放电线202压力接触。每个清洁构件与放电线接触的部分由玻璃纤维增强塑料形成。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012103457A Lubricant application device 审中-公开
标题翻译：润滑剂应用设备
公开(公告)号：JP2012103457A
公开(公告)日：2012-05-31
申请号：JP2010251569
申请日：2010-11-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TOMOHIKO
IPC分类号： G03G21/10 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To suppress an increase in a maintenance cost due to lubricant replacement work despite having a configuration that can vary application amounts of lubricant in a main scanning direction.SOLUTION: This lubricant application device includes a plurality of lubricant supply means for supplying an image carrier with the lubricant, in such a manner as dividing the image carrier in the main scanning direction with respect to the main scanning direction of the image carrier. The supply amount of the lubricant by each of the lubricant supply paths can be thus determined according to the respective divided areas that are divided in the scanning direction in the image carrier.
摘要翻译：要解决的问题：尽管具有能够改变润滑剂在主扫描方向上的施加量的构造，但是抑制了由于润滑剂更换工作导致的维护成本的增加。解决方案：该润滑剂施加装置包括多个润滑剂供给装置，用于以图像载体相对于图像载体的主扫描方向在主扫描方向上分割图像载体的方式向图像载体供给润滑剂。因此，可以根据在图像载体中的扫描方向上划分的各个分割区域来确定润滑剂供给路径中的润滑剂的供给量。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011053480A Photoreceptor drum device, and electrophotographic printer having the same 审中-公开
标题翻译：光电鼓装置，以及具有相同功能的电子印刷机
公开(公告)号：JP2011053480A
公开(公告)日：2011-03-17
申请号：JP2009202908
申请日：2009-09-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIKUCHI YUTAKA , SAITO TOMOHIKO
IPC分类号： G03G21/16
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor drum device for an electrophotographic printer that comes into contact with peripheral equipment without degrading the replacing workability when the photoreceptor drum is replaced and prevents flawing of the outer peripheral surface of the photoreceptor drum. SOLUTION: This photoreceptor drum device includes a first end surface member fixed to a driving shaft, a second end surface member attachably/detachably supported by the driving shaft, the photoreceptor drum, a pinching means that is supported by the driving shaft and generates a pinching force between the first end surface member and the second end surface member, and a plurality of rib members that are in the first end surface member, approach the inner peripheral surface of the photoreceptor drum, and extend in the axial direction. A holding member for pressing and supporting the inner peripheral surface of the photoreceptor drum is disposed in the plurality of rib members movably back and forth with respect to the inner peripheral surface of the photoreceptor drum. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于与周边设备接触的电子照相打印机的感光鼓装置，而不会在更换感光鼓时降低替换可操作性，并防止感光鼓的外周表面的瑕疵。解决方案：该感光鼓装置包括固定到驱动轴的第一端面构件，由驱动轴可安装/拆卸地支撑的第二端面构件，感光鼓，由驱动轴支撑的夹持装置和在第一端面构件和第二端面构件之间产生夹持力，并且在第一端面构件中的多个肋构件接近感光鼓的内周面并沿轴向延伸。用于按压和支撑感光鼓的内周表面的保持构件相对于感光鼓的内周表面可移动地设置在多个肋构件中。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2015041002A 帯電装置および画像形成装置有权
标题翻译：充电装置和图像形成装置
公开(公告)号：JP2015041002A
公开(公告)日：2015-03-02
申请号：JP2013172287
申请日：2013-08-22
申请人：株式会社リコー , Ricoh Co Ltd
发明人： SAITO TOMOHIKO
IPC分类号： G03G15/02 , G03G21/00
摘要：【課題】新品状態時および経時使用時においてもワイヤの損傷や劣化を防止してワイヤへの清掃品質を長期に亘り良好に維持して放電ムラを防止できる構成を備えた帯電装置を提供する。【解決手段】潜像担持体表面を均一帯電する帯電部材の表面を清浄化するクリーニング装置を備えた帯電装置であって、前記クリーニング装置には、放電用開口を有するシールドケースと、該シールドケース内に配置された放電ワイヤと、該放電ワイヤに接触しながら清掃する清掃手段と、が備えられ、前記清掃手段は、前記放電ワイヤと接触する部分に異なる材質が備えられ、前記ワイヤの使用期間が短いときには低い硬度の材質が、そして使用期間が長いときには高い硬度の材質および低い硬度の材質を用いて清掃動作を行うことを特徴としている。【選択図】図16
摘要翻译：要解决的问题：提供一种充电装置，其被配置为防止在第一次使用和长期使用时导线的损坏或劣化，并且长时间保持优良的丝线清洁性能，以防止不均匀的放电。解决方案：充电装置包括清洁充电部件的表面以使潜像载体表面均匀充电的清洁装置。清洁装置包括：具有排出口的屏蔽壳体，布置在屏蔽壳体中的放电线，以及用于清洁与其接触的放电线的清洁装置。清洁装置包括形成在与放电线接触的部分中的不同材料。在短时间使用电线时，使用低硬度的材料，长时间使用电线时，使用高硬度的材料和低硬度的材料，以清洁电线。

5. 发明专利

JP2013076875A Charging device, and image forming apparatus 审中-公开
标题翻译：充电装置和图像形成装置
公开(公告)号：JP2013076875A
公开(公告)日：2013-04-25
申请号：JP2011217100
申请日：2011-09-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TOMOHIKO
IPC分类号： G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide a charging device including cleaning means for realizing excellent quality for cleaning a discharge wire irrespective of the cleaning member being newly installed or being used over time, accurately suppressing cleaned and removed substances from remaining on the surface of the wire, and accurately preventing discharge unevenness.SOLUTION: When a cleaning unit 225 is moved by a feed screw mechanism, and an arm part 220b is pressed by an inner face of a side plate 201b of a shield case, the cleaning unit 225 rotates, and a cleaning part 222a-1 of a right cleaning member 222a and a cleaning part 222b-1 of a left cleaning member 222b, both cleaning members being fixed to the cleaning unit 225, are brought into pressure-contact with a discharge wire 202 in an outward route. In a return route, the cleaning unit 225 rotates in a reverse direction, and a wiping member 226a of the right cleaning member 222a and a wiping member 226b of the left cleaning member 222b that are made of a material different from the cleaning parts are brought into pressure-contact with the discharge wire 202.
摘要翻译：要解决的问题：提供一种充电装置，其包括清洁装置，用于实现清洁排出线的优良品质，而不管新安装或随时间使用的清洁构件如何，精确地抑制清洁和去除的物质残留在表面上的线，并且准确地防止放电不均匀。解决方案：当清洁单元225被进给螺杆机构移动，并且臂部分220b被屏蔽壳的侧板201b的内表面按压时，清洁单元225旋转，并且清洁部分222a -1的左侧清洁构件222b的右侧清洁构件222a和清洁部222b-1，两个清洁构件固定到清洁单元225，与外部路线上的放电线202压力接触。在返回路径中，清洁单元225沿相反方向旋转，并且由与清洁部分不同的材料制成的右清洁构件222a的擦拭构件226a和左清洁构件222b的擦拭构件226b被带到与放电线202压力接触。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2014142481A Lubricant supply device and image forming apparatus 审中-公开
标题翻译：润滑剂供应装置和图像形成装置
公开(公告)号：JP2014142481A
公开(公告)日：2014-08-07
申请号：JP2013010840
申请日：2013-01-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ITO CHIKASHI , KUWABARA NOBUO , KAWAHARA SHINICHI , SAITO TOMOHIKO , TERACHI HAJIME
IPC分类号： G03G21/00 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a lubricant supply device which supplies lubricant to the lubricant supply device without generating down time of the device, and an image forming apparatus.SOLUTION: A lubricant supply device includes: an end detection sensor 42 (first detection means) for detecting that the amount of lubricant remaining in a lubricant storage unit 44 is empty (or nearly empty); and a near-end detection sensor 43 (second detection means) for detecting a state where the amount of lubricant remaining in the lubricant storage unit 44 is larger by a predetermined amount than the amount detected by the end detection sensor 42.
摘要翻译：要解决的问题：提供一种向润滑剂供给装置供给润滑剂而不产生装置的停机时间的润滑剂供给装置和图像形成装置。解决方案：润滑剂供给装置包括：末端检测传感器42（第一检测装置），用于检测润滑剂储存单元44中残留的润滑剂的量是否为空（或几乎为空）; 以及用于检测润滑剂存储单元44中残留的润滑剂的量比由末端检测传感器42检测到的量大预定量的状态的近端检测传感器43（第二检测装置）。

7. 发明专利

JP2014077975A Charging device, image forming apparatus, and charging unit 有权
标题翻译：充电装置，图像形成装置和充电装置
公开(公告)号：JP2014077975A
公开(公告)日：2014-05-01
申请号：JP2013054390
申请日：2013-03-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ORIGASA TAKAMICHI , ITO CHIKASHI , SAITO TOMOHIKO , SATO ATSUSHI
IPC分类号： G03G15/02 , G03G15/00 , G03G21/00
CPC分类号： G03G15/0258 , G03G21/206
摘要： PROBLEM TO BE SOLVED: To provide a charging device that has a configuration having an air flow effect in which an air flow is effectively used to suppress the reduction of life of a discharge wire due to foreign substance contamination, so that the foreign substances are not attracted and attached to the discharge wire.SOLUTION: A charging duct 7 surrounds at least the entire part of an opening 31 of a charger body 1A of an electrostatic charger 1, and can introduce and discharge air flow in the surrounded range. The charging duct 7 includes air-flow wall forming means (air barrier forming means) for covering, with an air-flow wall (air barrier) 29 formed of an intake flow 17, the entire part of the opening 31 from an upstream end in a direction of rotation (clockwise in Fig. 6) of a photoreceptor drum 2 at the opening 31 of the charger body 1A, to a downstream end in the direction of rotation of the photoreceptor drum 2 at the opening 31.
摘要翻译：要解决的问题：为了提供具有空气流动效应的结构的充电装置，其中有效地使用空气流来抑制由于异物污染引起的放电线寿命的降低，使得异物不是吸引并附着在放电线上。解决方案：充电管道7至少围绕静电充电器1的充电器主体1A的开口31的整个部分，并且可以在被包围的范围内引入和排出空气流。充气管7包括气流壁形成装置（空气阻挡形成装置），用于将由进气流17形成的空气流动壁（空气阻隔）29从开口31的上游端部的整个部分感光鼓2在充电器主体1A的开口31处的旋转方向（图6中的顺时针方向）到感光鼓2在开口31处的旋转方向的下游端。

8. 发明专利

JP2010204211A Photoreceptor drum and image forming apparatus using the same 有权
标题翻译：使用它的光电子鼓和图像形成装置
公开(公告)号：JP2010204211A
公开(公告)日：2010-09-16
申请号：JP2009047265
申请日：2009-02-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKAI SHINGO , TAKEUCHI YOICHI , SAITO TOMOHIKO
IPC分类号： G03G21/00
CPC分类号： G03G15/751 , G03G21/1671 , G03G2221/1606
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor drum which does not generate large pressing force when the large pressing force is not needed in an abutting part where a sleeve inner circumferential surface-pressing member is in contact with a inner circumferential surface of a sleeve while an end surface member and a photosensitive sleeve member are coupled, and which maintains coupling of the end face member and the photosensitive sleeve member even when large force is temporarily applied to the abutting part where the sleeve inner circumferential surface-pressing member is in contact with the inner circumferential surface of the sleeve; and to provide an image forming apparatus including the photoreceptor drum. SOLUTION: The photoreceptor drum 100 has a mechanism in which an outward displacement, in the center line direction, of the position of a cap member 2, which is a first end surface member with respect to the photosensitive sleeve member 1 after an arm member 11, which is the sleeve inner circumferential surface-pressing member, is in contact with the inner circumferential surface of the photosensitive sleeve member 1, leads to increasing pressing force from the arm member 11 to the inner circumferential surface of the photosensitive sleeve member 1. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种在套筒内周面按压部件与内周面的内周面接触的抵接部不需要大的按压力时不产生大的按压力的感光鼓套筒同时端面构件和感光套筒构件联接，并且即使当大的力暂时施加到套筒内周面按压构件的邻接部分时，端面构件和感光套筒构件之间也保持联接与套筒的内圆周表面接触; 并提供包括感光鼓的图像形成装置。感光鼓100具有这样的机构，其中在中心线方向上，相对于感光套筒构件1的帽构件2的位置向外移动，帽构件2是位于第一端面构件之后的位置作为套筒内周面按压构件的臂构件11与感光套筒构件1的内周面接触，导致从臂构件11到感光套筒构件的内周面的增加的压力 1.版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2014026154A Lubricant application device, process cartridge and image forming apparatus 审中-公开
标题翻译：润滑剂应用装置，工艺盒和图像形成装置
公开(公告)号：JP2014026154A
公开(公告)日：2014-02-06
申请号：JP2012167092
申请日：2012-07-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO RYOTA , HATORI SATOSHI , KUMAGAI NAOHIRO , FUJIMORI AKIRA , YOSHINO KAORU , SEKI HIDEYASU , SAITO TOMOHIKO
IPC分类号： G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a lubricant application device capable of applying a lubricant in a stable application amount with lapse of time without causing deviation in a ground amount of a solid lubricant.SOLUTION: The lubricant application device includes a solid lubricant 61, a lubricant application member 62 that comes into contact with the solid lubricant 61, rotates to rub and grind the lubricant and applies the lubricant to an application target body 2, and pressing means 63 that presses the lubricant application member 62 to the solid lubricant 61. The initial shape of the solid lubricant 61 on a surface to be in contact with the lubricant application member 62 is formed to follow a flexural shape of the lubricant application member 62 in a direction along the rotation axis of the lubricant application member 62, and in a cross-sectional direction perpendicular to the rotation axis of the lubricant application member 62, the initial shape is formed into a circular arc concave shape that follows an outer circumference of the lubricant application member 62.
摘要翻译：要解决的问题：提供一种润滑剂施加装置，其能够以稳定的施加量随时间施加润滑剂，而不会导致固体润滑剂的研磨量的偏差。溶液：润滑剂施加装置包括固体润滑剂61，与固体润滑剂61接触的润滑剂施加构件62旋转以摩擦和研磨润滑剂，并将润滑剂施加到施加目标体2，以及将润滑剂施加构件62按压到固体润滑剂61的加压装置63。在与润滑剂施加构件62接触的表面上的固体润滑剂61的初始形状形成为沿着润滑剂施加构件62的旋转轴线的方向沿着润滑剂施加构件62的弯曲形状，并且在垂直于润滑剂施加构件62的旋转轴线的横截面方向，初始形状形成为圆弧状遵循润滑剂施加构件62的外周的洞穴形状。

10. 发明专利

JP2011141380A Photoreceptor drum device and image forming apparatus 审中-公开
标题翻译：光电装置和图像形成装置
公开(公告)号：JP2011141380A
公开(公告)日：2011-07-21
申请号：JP2010001320
申请日：2010-01-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TOMOHIKO
IPC分类号： G03G21/16
摘要： PROBLEM TO BE SOLVED: To provide a photoreceptor drum device which can secure runout accuracy of a photoreceptor drum without being affected by the frequency of attaching and detaching the photoreceptor drum to and from a driving shaft, and obtaining satisfactory image quality, and an image forming apparatus equipped with the photoreceptor drum device. SOLUTION: The photoreceptor drum device includes the photoreceptor drum, the drive shaft 4 that is inserted as a rotation center shaft for the photoreceptor drum and drives the photoreceptor drum rotatably, a first end face member that fits with one end of the photoreceptor drum in the center line direction, and a second end face member 3 that fits with the other end of the photoreceptor drum in the center line direction. The drive shaft 4 includes an insertion guide shaft part 4d disposed on the tip side and a fitting shaft part 4e connected to the insertion guide shaft part 4d whose diameter is larger than that of the insertion guide shaft part 4d. The second end face member 3 has a guide path part 3d into which the drive shaft 4 is inserted and whose inner periphery slides with the insertion guide shaft part 4d of the drive shaft 4 and a fitting part 3e disposed at the insertion port of the guide path part 3d as an opening whose inner diameter is larger than that of the guide path part 3d that fits with the fitting shaft part 4e of the inserted drive shaft 4. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以确保感光鼓的跳动精度而不受感光鼓与驱动轴的连接和分离的频率的影响并获得令人满意的图像质量的感光鼓装置，以及配备有感光鼓装置的图像形成装置。感光鼓装置包括感光鼓，驱动轴4，其作为用于感光鼓的旋转中心轴插入并可旋转地驱动感光鼓;第一端面构件，其与感光体的一端配合;第一端面构件，沿中心线方向滚筒，以及第二端面构件3，其在中心线方向上与感光鼓的另一端配合。驱动轴4包括设置在前端侧的插入导向轴部4d和与直径大于插入导向轴部4d的插入导向轴部4d连接的嵌合轴部4e。第二端面构件3具有引导路径部3d，驱动轴4插入其中，其内周与驱动轴4的插入引导轴部4d滑动，并且配置部3e设置在引导件的插入口路径部分3d作为开口，其内径大于与插入的驱动轴4的装配轴部分4e配合的引导路径部分3d的开口。（C）2011，JPO＆INPIT

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